Finding the Fourth Proportional to 4,111.41, 5,711.78 and 4,072.98

Step by Step Solution

1. Step 1: Write the proportion equation
   4,111.41 : 5,711.78 = 4,072.98 : x
2. Step 2: Convert to fraction form
   4,111.41/5,711.78 = 4,072.98/x
3. Step 3: Cross multiply
   4,111.41x = 5,711.78 × 4,072.98
4. Step 4: Simplify right side
   4,111.41x = 23,263,965.70
5. Step 5: Solve for x
   x = 23,263,965.70/4,111.41
6. Step 6: Final answer
   x = 5,658.39